Weight Classes

All divisions — who holds the belts.

Men's Divisions(17)

Heavyweight

200+ lbs

Fragmented

Belt	Champion	Country	Record
WBA	Murat Gassiev	🇷🇺Russia	0-0-0 (0 KO)
WBC	Agit Kabayel	🇩🇪Germany	27-0-0 (19 KO)
IBF	Filip Hrgović	🇭🇷Croatia	21-1-0 (16 KO)
WBO	Daniel Dubois	🇬🇧United Kingdom	23-3-0 (22 KO)

Belts Held: 4 / 4Unique Holders: 4Fragmentation: 100%

Cruiserweight

200 lbs

Unified

Belt	Champion	Country	Record
WBA	David Benavidez	🇺🇸United States	32-0-0 (26 KO)
WBC	David Benavidez	🇺🇸United States	32-0-0 (26 KO)
IBF	Vacant	—	—
WBO	David Benavidez	🇺🇸United States	32-0-0 (26 KO)

Belts Held: 3 / 4Unique Holders: 1Fragmentation: 0%Vacant Present

Light Heavyweight

175 lbs

Unified

Belt	Champion	Country	Record
WBA	Dmitry Bivol	🇷🇺Russia	25-1-0 (12 KO)
WBC	Vacant	—	—
IBF	Dmitry Bivol	🇷🇺Russia	25-1-0 (12 KO)
WBO	Dmitry Bivol	🇷🇺Russia	25-1-0 (12 KO)

Belts Held: 3 / 4Unique Holders: 1Fragmentation: 0%Vacant Present

Super Middleweight

168 lbs

Fragmented

Belt	Champion	Country	Record
WBA	Jaime Munguia	🇽🇽Unknown	46-2-0 (35 KO)
WBC	Christian M'billi	🇫🇷France	29-0-1 (24 KO)
IBF	Osleys Iglesias	🇨🇺Cuba	15-0-0 (14 KO)
WBO	Vacant	—	—

Belts Held: 3 / 4Unique Holders: 3Fragmentation: 67%Vacant Present

Middleweight

160 lbs

Fragmented

Belt	Champion	Country	Record
WBA	Erislandy Lara	🇨🇺Cuba	32-3-3 (19 KO)
WBC	Carlos Adames	🇩🇴Dominican Republic	25-1-1 (18 KO)
IBF	Aaron McKenna	🇮🇪Ireland	21-0-0 (10 KO)
WBO	Denzel Bentley	🇽🇽Unknown	22-3-1 (18 KO)

Belts Held: 4 / 4Unique Holders: 4Fragmentation: 100%

Super Welterweight

154 lbs

Fragmented

Belt	Champion	Country	Record
WBA	Jaron Ennis	🇺🇸United States	0-0-0 (0 KO)
WBC	Sebastian Fundora	🇺🇸United States	24-1-1 (16 KO)
IBF	Josh Kelly	🇬🇧United Kingdom	18-1-1 (9 KO)
WBO	Jaron Ennis	🇺🇸United States	0-0-0 (0 KO)

Belts Held: 4 / 4Unique Holders: 3Fragmentation: 67%

Welterweight

147 lbs

Fragmented

Belt	Champion	Country	Record
WBA	Teofimo Lopez	🇭🇳Honduras	23-2-0 (13 KO)
WBC	Ryan Garcia	🇺🇸United States	0-0-0 (0 KO)
IBF	Liam Paro	🇦🇺Australia	28-1-0 (16 KO)
WBO	Devin Haney	🇺🇸United States	0-0-0 (0 KO)

Belts Held: 4 / 4Unique Holders: 4Fragmentation: 100%

Super Lightweight

140 lbs

Fragmented

Belt	Champion	Country	Record
WBA	Gary Antuanne Russell	🇺🇸United States	19-1-0 (17 KO)
WBC	Dalton Smith	🇬🇧United Kingdom	19-0-0 (14 KO)
IBF	Vacant	—	—
WBO	Shakur Stevenson	🇺🇸United States	25-0-0 (11 KO)

Belts Held: 3 / 4Unique Holders: 3Fragmentation: 67%Vacant Present

Lightweight

135 lbs

Fragmented

Belt	Champion	Country	Record
WBA	Vacant	—	—
WBC	William Zepeda	🇲🇽Mexico	34-1-0 (27 KO)
IBF	Vacant	—	—
WBO	Abdullah Mason	🇺🇸United States	21-0-0 (18 KO)

Belts Held: 2 / 4Unique Holders: 2Fragmentation: 33%Vacant Present

Super Featherweight

130 lbs

Fragmented

Belt	Champion	Country	Record
WBA	Anthony Cacace	🇬🇧United Kingdom	26-1-0 (9 KO)
WBC	O'Shaquie Foster	🇽🇽Unknown	25-3-0 (12 KO)
IBF	Emanuel Navarrete	🇲🇽Mexico	0-0-0 (0 KO)
WBO	Emanuel Navarrete	🇲🇽Mexico	0-0-0 (0 KO)

Belts Held: 4 / 4Unique Holders: 3Fragmentation: 67%

Featherweight

126 lbs

Fragmented

Belt	Champion	Country	Record
WBA	Brandon Figueroa	🇺🇸United States	27-2-1 (20 KO)
WBC	Bruce Carrington	🇺🇸United States	18-0-0 (10 KO)
IBF	Angelo Leo	🇺🇸United States	26-1-0 (12 KO)
WBO	Rafael Espinoza	🇲🇽Mexico	28-0-0 (24 KO)

Belts Held: 4 / 4Unique Holders: 4Fragmentation: 100%

Super Bantamweight

122 lbs

Undisputed

Belt	Champion	Country	Record
WBA	Naoya Inoue	🇯🇵Japan	33-0-0 (27 KO)
WBC	Naoya Inoue	🇯🇵Japan	33-0-0 (27 KO)
IBF	Naoya Inoue	🇯🇵Japan	33-0-0 (27 KO)
WBO	Naoya Inoue	🇯🇵Japan	33-0-0 (27 KO)

Belts Held: 4 / 4Unique Holders: 1Fragmentation: 0%

Bantamweight

118 lbs

Fragmented

Belt	Champion	Country	Record
WBA	Jesse Rodriguez	🇺🇸United States	24-0-0 (17 KO)
WBC	Takuma Inoue	🇯🇵Japan	23-2-0 (5 KO)
IBF	José Salas	🇽🇽Unknown	17-0-0 (11 KO)
WBO	Christian Medina	🇲🇽Mexico	27-4-0 (19 KO)

Belts Held: 4 / 4Unique Holders: 4Fragmentation: 100%

Super Flyweight

115 lbs

Fragmented

Belt	Champion	Country	Record
WBA	David Jiménez	🇨🇷Costa Rica	18-1-0 (12 KO)
WBC	Ricardo Malajika	🇿🇦South Africa	18-2-0 (12 KO)
IBF	Andrew Moloney	🇦🇺Australia	0-0-0 (0 KO)
WBO	Kenshiro Teraji	🇯🇵Japan	26-2-0 (16 KO)

Belts Held: 4 / 4Unique Holders: 4Fragmentation: 100%

Flyweight

112 lbs

Fragmented

Belt	Champion	Country	Record
WBA	Ricardo Sandoval	🇽🇽Unknown	27-2-0 (18 KO)
WBC	Ricardo Sandoval	🇽🇽Unknown	27-2-0 (18 KO)
IBF	Masamichi Yabuki	🇯🇵Japan	20-4-0 (18 KO)
WBO	Anthony Olascuaga	🇺🇸United States	12-1-0 (9 KO)

Belts Held: 4 / 4Unique Holders: 3Fragmentation: 67%

Light Flyweight

108 lbs

Fragmented

Belt	Champion	Country	Record
WBA	Daiya Kira	🇯🇵Japan	5-0-0 (4 KO)
WBC	Shokichi Iwata	🇯🇵Japan	17-2-0 (14 KO)
IBF	Thanongsak Simsri	🇹🇭Thailand	41-1-0 (36 KO)
WBO	René Santiago	🇽🇽Unknown	16-4-0 (9 KO)

Belts Held: 4 / 4Unique Holders: 4Fragmentation: 100%

Minimumweight

105 lbs

Fragmented

Belt	Champion	Country	Record
WBA	Oscar Collazo	🇺🇸United States	15-0-0 (12 KO)
WBC	Siyakholwa Kuse	🇿🇦South Africa	10-3-1 (4 KO)
IBF	Pedro Taduran	🇵🇭Philippines	20-4-1 (14 KO)
WBO	Oscar Collazo	🇺🇸United States	15-0-0 (12 KO)

Belts Held: 4 / 4Unique Holders: 3Fragmentation: 67%

Women's Divisions(17)

Heavyweight

200+ lbs

Undisputed

Belt	Champion	Country	Record
WBA	Claressa Shields	🇺🇸United States	19-0-0 (4 KO)
WBC	Claressa Shields	🇺🇸United States	19-0-0 (4 KO)
IBF	Claressa Shields	🇺🇸United States	19-0-0 (4 KO)
WBO	Claressa Shields	🇺🇸United States	19-0-0 (4 KO)

Belts Held: 4 / 4Unique Holders: 1Fragmentation: 0%

Light Heavyweight

175 lbs

Fragmented

Belt	Champion	Country	Record
WBA	Vacant	—	—
WBC	Vacant	—	—
IBF	Sarah Scheurich	🇩🇪Germany	7-0-0 (4 KO)
WBO	Vacant	—	—

Belts Held: 1 / 4Unique Holders: 1Fragmentation: 0%Vacant Present

Super Middleweight

168 lbs

Fragmented

Belt	Champion	Country	Record
WBA	Franchón Crews-Dezurn	🇺🇸United States	0-0-0 (0 KO)
WBC	Franchón Crews-Dezurn	🇺🇸United States	0-0-0 (0 KO)
IBF	Lani Daniels	🇳🇿New Zealand	12-4-2 (2 KO)
WBO	Lani Daniels	🇳🇿New Zealand	12-4-2 (2 KO)

Belts Held: 4 / 4Unique Holders: 2Fragmentation: 33%

Middleweight

160 lbs

Unified

Belt	Champion	Country	Record
WBA	Vacant	—	—
WBC	Vacant	—	—
IBF	Tammara Thibeault	🇨🇦Canada	5-0-0 (3 KO)
WBO	Tammara Thibeault	🇨🇦Canada	5-0-0 (3 KO)

Belts Held: 2 / 4Unique Holders: 1Fragmentation: 0%Vacant Present

Super Welterweight

154 lbs

Fragmented

Belt	Champion	Country	Record
WBA	Chantelle Cameron	🇬🇧United Kingdom	23-1-0 (8 KO)
WBC	Chantelle Cameron	🇬🇧United Kingdom	23-1-0 (8 KO)
IBF	Oshae Jones	🇺🇸United States	9-0-1 (3 KO)
WBO	Chantelle Cameron	🇬🇧United Kingdom	23-1-0 (8 KO)

Belts Held: 4 / 4Unique Holders: 2Fragmentation: 33%

Welterweight

147 lbs

Fragmented

Belt	Champion	Country	Record
WBA	Lauren Price	🇬🇧United Kingdom	10-0-0 (2 KO)
WBC	Lauren Price	🇬🇧United Kingdom	10-0-0 (2 KO)
IBF	Lauren Price	🇬🇧United Kingdom	10-0-0 (2 KO)
WBO	Mikaela Mayer	🇺🇸United States	22-2-0 (5 KO)

Belts Held: 4 / 4Unique Holders: 2Fragmentation: 33%

Super Lightweight

140 lbs

Undisputed

Belt	Champion	Country	Record
WBA	Katie Taylor	🇮🇪Ireland	26-1-0 (6 KO)
WBC	Katie Taylor	🇮🇪Ireland	26-1-0 (6 KO)
IBF	Katie Taylor	🇮🇪Ireland	26-1-0 (6 KO)
WBO	Katie Taylor	🇮🇪Ireland	26-1-0 (6 KO)

Belts Held: 4 / 4Unique Holders: 1Fragmentation: 0%

Lightweight

135 lbs

Fragmented

Belt	Champion	Country	Record
WBA	Stephanie Han	🇽🇽Unknown	13-0-0 (3 KO)
WBC	Caroline Dubois	🇬🇧United Kingdom	14-0-1 (5 KO)
IBF	Elif Nur Turhan	🇹🇷Turkey	14-0-0 (8 KO)
WBO	Caroline Dubois	🇬🇧United Kingdom	14-0-1 (5 KO)

Belts Held: 4 / 4Unique Holders: 3Fragmentation: 67%

Super Featherweight

130 lbs

Fragmented

Belt	Champion	Country	Record
WBA	Alycia Baumgardner	🇺🇸United States	0-0-0 (0 KO)
WBC	Bernice Ferreira	🇽🇽Unknown	11-0-0 (4 KO)
IBF	Alycia Baumgardner	🇺🇸United States	0-0-0 (0 KO)
WBO	Alycia Baumgardner	🇺🇸United States	0-0-0 (0 KO)

Belts Held: 4 / 4Unique Holders: 2Fragmentation: 33%

Featherweight

126 lbs

Fragmented

Belt	Champion	Country	Record
WBA	Amanda Serrano	🇺🇸United States	49-4-1 (32 KO)
WBC	Tiara Brown	🇺🇸United States	21-0-0 (11 KO)
IBF	Nina Meinke	🇽🇽Unknown	21-3-0 (4 KO)
WBO	Amanda Serrano	🇺🇸United States	49-4-1 (32 KO)

Belts Held: 4 / 4Unique Holders: 3Fragmentation: 67%

Super Bantamweight

122 lbs

Fragmented

Belt	Champion	Country	Record
WBA	Melissa Mortensen	🇽🇽Kingdom of Denmark	10-0-0 (5 KO)
WBC	Skye Nicolson	🇦🇺Australia	16-1-0 (3 KO)
IBF	Vacant	—	—
WBO	Vacant	—	—

Belts Held: 2 / 4Unique Holders: 2Fragmentation: 33%Vacant Present

Bantamweight

118 lbs

Undisputed

Belt	Champion	Country	Record
WBA	Dina Thorslund	🇽🇽Kingdom of Denmark	25-0-0 (9 KO)
WBC	Dina Thorslund	🇽🇽Kingdom of Denmark	25-0-0 (9 KO)
IBF	Dina Thorslund	🇽🇽Kingdom of Denmark	25-0-0 (9 KO)
WBO	Dina Thorslund	🇽🇽Kingdom of Denmark	25-0-0 (9 KO)

Belts Held: 4 / 4Unique Holders: 1Fragmentation: 0%

Super Flyweight

115 lbs

Fragmented

Belt	Champion	Country	Record
WBA	Nataly Delgado	🇽🇽Unknown	21-7-2 (5 KO)
WBC	Adelaida Ruiz	🇽🇽Unknown	19-1-1 (8 KO)
IBF	Irma García	🇲🇽Mexico	26-5-1 (6 KO)
WBO	Mizuki Hiruta	🇯🇵Japan	11-0-0 (2 KO)

Belts Held: 4 / 4Unique Holders: 4Fragmentation: 100%

Flyweight

112 lbs

Undisputed

Belt	Champion	Country	Record
WBA	Gabriela Fundora	🇺🇸United States	0-0-0 (0 KO)
WBC	Gabriela Fundora	🇺🇸United States	0-0-0 (0 KO)
IBF	Gabriela Fundora	🇺🇸United States	0-0-0 (0 KO)
WBO	Gabriela Fundora	🇺🇸United States	0-0-0 (0 KO)

Belts Held: 4 / 4Unique Holders: 1Fragmentation: 0%

Light Flyweight

108 lbs

Fragmented

Belt	Champion	Country	Record
WBA	Estefany Alegria	🇽🇽Unknown	15-1-0 (4 KO)
WBC	Lourdes Juárez	🇽🇽Unknown	40-4-0 (5 KO)
IBF	Estefany Alegria	🇽🇽Unknown	15-1-0 (4 KO)
WBO	Estefany Alegria	🇽🇽Unknown	15-1-0 (4 KO)

Belts Held: 4 / 4Unique Holders: 2Fragmentation: 33%

Minimumweight

105 lbs

Fragmented

Belt	Champion	Country	Record
WBA	Sarah Bormann	🇩🇪Germany	21-1-0 (7 KO)
WBC	Yokasta Valle	🇳🇮Nicaragua	34-4-0 (10 KO)
IBF	Kim Clavel	🇨🇦Canada	22-2-0 (3 KO)
WBO	Sarah Bormann	🇩🇪Germany	21-1-0 (7 KO)

Belts Held: 4 / 4Unique Holders: 3Fragmentation: 67%

Atomweight

102 lbs

Fragmented

Belt	Champion	Country	Record
WBA	Isabel Rivero	🇪🇸Spain	13-3-1 (1 KO)
WBC	Camila Zamorano	🇽🇽Unknown	15-0-0 (1 KO)
IBF	Sumire Yamanaka	🇯🇵Japan	10-1-0 (3 KO)
WBO	Gabriela Timar	🇽🇽Unknown	16-2-0 (3 KO)

Belts Held: 4 / 4Unique Holders: 4Fragmentation: 100%